Fixup:pylint warning.

4 jobs for master in 0 seconds
Status Job ID Name Coverage
  External
failed SlapOS-Master.UnitTest-Master

02:49:37

failed Wendelin.UnitTest-Master

01:00:01

failed SlapOS-Master.UnitTest-Master

02:02:11

passed Wendelin.UnitTest-Master

00:30:35